Do all the patients with gastric parietal cell antibodies have pernicious anemia?

This study evaluated whether all the patients with serum gastric parietal cell antibody (GPCA) positivity had pernicious anemia (PA).
The blood hemoglobin (Hb), iron, and vitamin B12 concentrations, and mean corpuscular volume (MCV) in 124 GPCA-positive patients were measured and compared with the corresponding data in 124 age- and sex-matched healthy controls. PA was defined by World Health Organization (WHO) as having an Hb concentration < 13 g dl(-1) for men and < 12 g dl(-1) for women, an MCV ≥ 100 fl, and a serum vitamin B12 level < 200 pg ml(-1) .
We found that 20, 25, and 20 GPCA-positive patients had deficiencies of Hb (men < 13 g dl(-1) , women < 12 g dl(-1) ), iron (<60 μg dl(-1) ), and vitamin B12 (<200 pg ml(-1) ), respectively. Moreover, 16 GPCA-positive patients had abnormally high MCV (≥ 100 fl). GPCA-positive patients had a significantly higher frequency of Hb, iron, or vitamin B12 deficiency and of abnormally high MCV (all P-values < 0.001) than healthy controls. However, only 12.9% of 124 GPCA-positive patients were diagnosed as having PA by the WHO definition.
Only 12.9% of GPCA-positive patients are discovered to have PA by the WHO definition.
AuthorsA Sun, Y P Wang, H P Lin, J S Chia, C P Chiang
JournalOral diseases (Oral Dis) Vol. 19 Issue 4 Pg. 381-6 (May 2013) ISSN: 1601-0825 [Electronic] Denmark
PMID22957902 (Publication Type: Journal Article)
Copyright© 2012 John Wiley & Sons A/S.
Chemical References
  • Antibodies
  • Autoantibodies
  • Hematinics
  • Hemoglobins
  • anti-thyroglobulin
  • Homocysteine
  • Intrinsic Factor
  • Folic Acid
  • Iron
  • Vitamin B 12
  • Adult
  • Aged
  • Aged, 80 and over
  • Anemia, Pernicious (blood, diagnosis, immunology)
  • Antibodies (blood)
  • Autoantibodies (blood)
  • Case-Control Studies
  • Erythrocyte Indices
  • Female
  • Folic Acid (blood)
  • Hematinics (blood)
  • Hemoglobins (analysis)
  • Homocysteine (blood)
  • Humans
  • Intrinsic Factor (deficiency)
  • Iron (blood)
  • Male
  • Middle Aged
  • Parietal Cells, Gastric (immunology)
  • Sex Factors
  • Vitamin B 12 (blood)
  • World Health Organization
  • Young Adult

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